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rabies ra·bies (rā'bēz)
An infectious, highly fatal viral disease of warm blooded animals that attacks the central nervous system; symptoms include excitement, aggressiveness, and dementia, followed by paralysis and death.
A usually fatal infectious disease of warm-blooded animals caused by a virus of the genus Lyssavirus that causes inflammation of the brain and spinal cord. It is transmitted by the bite of an infected animal, such as a dog or bat and can be prevented in humans by a vaccine. See Note at hydrophobia.